So I have a bit of a weird situation with my current set up, in that I have an Aquatica housing with LED flash trigger, and a YS-D1, and a YS-D2. As has been documented in various forum threads, the YS-D2 is not very sensitive, and so doesn't trigger from most LED flash triggers. That means that the solution I came up with is to trigger the YS-D1, and have the output of the D1 trigger the D2.

That means running a fiber optic from the housing to the left (D1) strobe, and another fiber optic from the left strobe ALL the way to the right (D2). This was not possible with the length of the arms and my usual fiber optic cables so I ordered a long Sea & Sea cable which cost over $80, and still was not long enough. So I am building my own.

For this after a few measurements I guesstimated that these parts would work:

Measure out the length by running it along the whole setup as if its being installed

Trim back the rubber from the outside of the fiber, exposing the still coated core

Trim the little ridge on the rubber grommet, so that the o-ring can fit in the groove

Place o-ring, this should now fit snugly in the FiberOptic hole

Trim the rubber on the fiber optic back to where when slide inside the grommet, it just peeks out the other end. The fit with this brand of fiber optic was nigh on perfect!

You should only need a bit of rubber cement to hold the fiber in place..

Thats pretty much it!! I now have over 2 foot of fiber optic for about $3! Pretty happy with the results. Obviously it doesn't have the coiling functionality of the branded fiber optic but I am going to be using some clips to hold it along the arms.

Hi,
nice done.
Have the same problem with a Hugyfot housing and D500...
Sometimes the trigger is ok, sometime not. Testet Aquatica and Turtle.
So i had the same idea:
Triggering one YS 250 pro, from there the next,....
I have longer cables, but still too short.
So i have used a piece of plastik, with a hole that fits tight enought for the plugs, and put the kables in from both sides.
Works fine, if the trigger does...
Today i will try to pimp omne of the cables.
If it works, will be documented ;-))

@bvanant: I guess the "end glow fiber" is this type of cable with many optical filaments inside, as opposed to the single fiber in TosLink cables? Can you post a good source where one can buy few meters at reasonable price??

I had made this DIY cable project shared in this post and it did work, but the connectors will come lose sometimes during the dive and I missed a couple of good shots here and there. Not a biggie, just annoying, but for the price most of us can live with that. (Or not). Perhaps I failed to built it correctly.

Fiber Optic products Inc. in U.S.A. They sell different types of fiber optic cables. The End Glow solid core seems to be a better option than the multiple strands. I have had used the 7 mm solid core for DIY snoot, any sharp blade can be use to cut it.. I used an Exacto knife with out problems. They sell different diameters, but if you are planing to coil the cable better to use smaller diameter. Different diameter of side glow fiber optic cable can be purchased on Amazon or E-Bay sites. They sell coils of different lengths and diameters for cheap. This side glow can be tightly wrapped with tape and it will do the trick as well. It will work with out wrapping it but the entire cable will be illuminated every time the flash fires.

Different diameter of side glow fiber optic cable can be purchased on Amazon or E-Bay sites. They sell coils of different lengths and diameters for cheap. This side glow can be tightly wrapped with tape and it will do the trick as well. It will work with out wrapping it but the entire cable will be illuminated every time the flash fires.

Cheers!

Can you please post some links on Amazon or Ebay? I tried to find but stumbled on a confusing variety of products been sold. Thx.

I found that for the Oly housing you need to cut the length of the boot protectors in half approx... the rubber o ring was not required as the boot protector squeezes into the Oly enclosure quite tightly.

The fibre optic cable is quite loose inside the protector so, to get round this, I used a small blob of polymorph to hold it all in place. I just cut the fibre optics with a carpet cutter with a new blade.

The fiber I use is from Industrial Fiber Optics, part number GH4001 1 mm fiber with PE jacket. It is $1.55 per meter. Works with both of the Inon plugs (the straight and the 90 degree) and with Inon strobes will easily trigger with the Nauticam LED trigger. If you want to get really fancy, you can get from them the 217 core stuff for $6/meter. The 613 core (what Inon/S&S and others use) is $7.50 per meter. This will trigger the S&S strobes from the LED trigger.

You can also get this from them for $25 or so. makes nicer cuts then doing it by hand.

Coiling of fiber cables can be a pain in the butt. After many attempts (stubborn SOB), i found that if you take a piece of wooden dowel (about 8 or 9 mm or 5/16 inch in diameter) and drill two holes that are the diameter of your fiber through the dowel as far apart as you want your coil. I drilled them 90 degrees offset from each other but that doesn't matter. Push about 25 mm or inch through the first hole, then wind the fiber tightly around the dowel til you get to the other hole then push another 25 mm through the second hole. Place the dowel and fiber in a pan of cold water, then heat the water til just boiling, then turn off the heat. The important part is to now let the water sit til it cools. Push the straight pieces back through the hole, and voila a perfectly coiled fiber optic cable. I had previously taken the coil out of the hot water and cooled it rapidly but letting it cool slowly is the magic.